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85 mm HVAP-T BR-365P and BR-365PK
Регіон
Romania
Категорія
Боєприпаси, ракети та високоточне озброєння
The 85 mm HVAP-T BR-365P and BR-365PK is an armament 85 mm Divisional Gun D-44 ; 85 mm Auxiliary-propelled Field Gun SD-44 ; 85 mm M1944 ZIS-S-53 tank gun; 85 mm Anti-aircraft Gun M1939 and M1944 ; 85 mm Field Gun Type 56 ; 85 mm Field Gun M52 and M52/55. Development The 85 mm HVAP-T BR-365P and BR-365PK, were the most powerful of the kinetic energy armour-piercing rounds fired by 85 mm ordnance. They became more favoured operationally than the 85 mm AP-T BR-365 and BR-365K rounds, due mainly to their superior
armour penetration capabilities (although some reports mention a lack of HVAP-T accuracy at longer ranges). The 85 mm HVAP-T BR-365P and BR-365PK have been referred to as 'arrowhead' rounds due to the distinctive shape of the projectile assemblies. Description The 85 mm HVAP-T BR-365P and BR-365PK are fixed rounds. The projectiles are rigidly fixed to the cartridge case by two 360º crimping rings, engaging in two cannelures located under the twin copper drive bands. The 85 mm BR-365P and BR-365PK projectiles are basically identical with a three-part construction. A light metal conical cover forms the nose and is threaded into the main carrier body. The carrier body is steel and has a distinctive waist which accentuates the 'arrowhead' appearance of the nose portion. The carrier body contains the pointed tungsten penetrator core, on the BR-365P this weighs 640 g, is 89.5 mm long and 27.5 mm in diameter. The tungsten core on the BR-365PK weighs 650 g, is 90.55 mm in length and has a diameter of 27.95 mm. The base of the steel carrier portion is widened out from the waist section to carry the two drive bands and the base area itself is recessed. A tracer element housing is threaded into the base. The brass cartridge case (lacquered steel has been used) has a percussion primer threaded into the base and contains sufficient propellant to provide a muzzle velocity of approximately 1,030 m/s. This is enough to penetrate 130 mm of armour plate set at an angle of 0º at 1,000 m. Authorised fuzes None involved Equivalent rounds ROMANIA ROMANIA Manufacturer SN ROMARM SA Type: HVAP-T BR-365K Description: No longer in series production. Standard.